carbonyl
/ˈkɑː(ɹ)bənɪl/
noun 2
Definitions
noun
1
A divalent functional group, (-CO-), characteristic of aldehydes, ketones, carboxylic acids, amides, carboxylic acid anhydrides, carbonyl halides, esters and others.
2
Any compound of a metal with carbon monoxide, such as nickel carbonyl, Ni(CO)₄.
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